(19)

(11)

EP 2 197 260 A1

(12)

(43) Date of publication: 23.06.2010 Bulletin 2010/25 (21) Application number: 08835622.5 (22) Date of filing: 03.10.2008

(51) International Patent Classification (IPC):  A01C 19/04(2006.01) (86) International application number: PCT/US2008/078710 (87) International publication number: WO 2009/046273 (09.04.2009 Gazette 2009/15)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 05.10.2007 US 868075 (71) Applicant: Deere & Company Moline, IL 61265 (US)	(72) Inventor: RIEWERTS, Paul, R. Port Byron IL 61275 (US) (74) Representative: Reichert, Christian  Deere & Company European Office Global Intellectual Property Services John-Deere-Straße 70 68163 Mannheim 68163 Mannheim (DE)